多囊性发育不良肾也称为多囊肾发育不良，切开发现，大小不等的囊肿取代了肾实质。本例，种病变是单侧的，在婴儿期发现后当作肿块手术切除了。既使只有一个肾，肾脏的代偿能力也足以满足需要。
A multicystic dysplastic kidney (also known as cystic renal dysplasia) has been sectioned to reveal the variably sized cysts that replace the renal parenchyma. In this case, the disease was unilateral and presented in infancy as a mass lesion which was removed surgically. Even with one kidney, there is enough renal reserve capacity to live a normal life.
